If the ozone layer keeps on taken for granted, then it will deplete. The depletion has already began.
If the ozone hole keeps getting larger and the ozone layer goes away we will all die of cancer.
The layer of Earth's atmosphere which keeps us safe is ozone layer. Stratosphere is where it lies.
the life will be finished.
the top layer ( exosphere )
If the ozone was being made at faster rate, nothing would happen. The UV would control that rate.
See "What would happen if the ozone layer vanished?"
If the ozone is destroyed, various things happen. It can cause skin cancer, cataract, floods etc.
It keeps the the ozone layer on its position
the ozone layer keeps radiation and meteors away from earth
the crust layer.
They have two layers beacuse they need to stay warm in the cold
Ozone is continually made by the Sun. Ozone made at Earth's surface does not survive to reach the ozone layer.